ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 305

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

20. General Purpose Backup Registers (GPBR)
20.1
20.1.1
Table 20-1.
20.1.1.1
Register:
Addresses:
Access:
• GPBR_VALUEx: Value of GPBR x
6430D–ATARM–25-Mar-11
Offset
31
23
15
7
0x1c
0x0
Description
...
General Purpose Backup Registers (GPBR) User Interface
General Purpose Backup Register x
Register Mapping
Register
General Purpose Backup Register 0
...
General Purpose Backup Register 7
30
22
14
SYS_GPBRx
0x400E1290 [0], 0x400E1294 [1], 0x400E1298 [2], 0x400E129C [3]
6
Read-write
The System Controller embeds Eight general-purpose backup registers.
29
21
13
5
28
20
12
4
GPBR_VALUEx
GPBR_VALUEx
GPBR_VALUEx
GPBR_VALUEx
Name
...
SYS_GPBR0
SYS_GPBR7
27
19
11
3
26
18
10
2
SAM3U Series
25
17
Read-write
Read-write
9
1
Access
...
Reset
24
16
8
0
...
–
–
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